Home / 148,130.92-204,425.22-81,064.36

Finding the Fourth Proportional to 148,130.92, 204,425.22 and 81,064.36

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Solution

The fourth proportional to 148,130.92, 204,425.22 and 81,064.36 is: 111,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,130.92 : 204,425.22 = 81,064.36 : x
  2. Step 2: Convert to fraction form
    148,130.92/204,425.22 = 81,064.36/x
  3. Step 3: Cross multiply
    148,130.92x = 204,425.22 × 81,064.36
  4. Step 4: Simplify right side
    148,130.92x = 16,571,599,627.16
  5. Step 5: Solve for x
    x = 16,571,599,627.16/148,130.92
  6. Step 6: Final answer
    x = 111,871.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.